51344505 has 48 divisors (see below), whose sum is σ = 96589584. Its totient is φ = 25128960.

The previous prime is 51344459. The next prime is 51344551. The reversal of 51344505 is 50544315.

51344505 = 129² + 130² + ... + 538².

It is an interprime number because it is at equal distance from previous prime (51344459) and next prime (51344551).

It can be written as a sum of positive squares in 8 ways, for example, as 12257001 + 39087504 = 3501^2 + 6252^2 .

It is not a de Polignac number, because 51344505 - 2²⁰ = 50295929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30547 + ... + 32183.

It is an arithmetic number, because the mean of its divisors is an integer number (2012283).

Almost surely, 2^51344505 is an apocalyptic number.

It is an amenable number.

51344505 is a deficient number, since it is larger than the sum of its proper divisors (45245079).

51344505 is a wasteful number, since it uses less digits than its factorization.

51344505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 51344505 is about 7165.5080071130. The cubic root of 51344505 is about 371.6761185457.

The spelling of 51344505 in words is "fifty-one million, three hundred forty-four thousand, five hundred five".